$F00D/61453: No DSR (Data Set Ready) Error
Jump from $EFEE, $F05E, $F459:
F00D: A9 40 LDA #$40
F00F: 8D 97 02 STA $0297 ; RS232 Pseudo 6551 Status Register Image
Jump from $EFE7, $EFF0, $F009:
F012: 18 CLC
F013: 60 RTS
Jump from $F01E:
F014: 20 28 F0 JSR $F028 ; Send to RS232 Buffer
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